How much soybeans does it take to make 1 liter of biodiesel?

To produce 1 liter of biodiesel, approximately 1.2 to 1.5 kilograms of soybeans are required. This amount can vary based on the oil content of the soybeans and the efficiency of the extraction and conversion processes. Generally, soybeans yield around 18-20% oil, which is the primary feedstock for biodiesel production.